From 8c4ec7bd1e56ac993738b805e9bc5c4f0efa6acc Mon Sep 17 00:00:00 2001 From: mko Date: Tue, 17 Mar 2015 05:14:10 +0100 Subject: [PATCH] force reduction of linkage via freeing references --- .gitignore | 2 ++ src/js/libpannellum.js | 70 +++++++++++++++++++++----------------------------- src/js/pannellum.js | 44 +++++++++++++++---------------- 3 files changed, 53 insertions(+), 63 deletions(-) diff --git a/.gitignore b/.gitignore index 90881ad..762c492 100644 --- a/.gitignore +++ b/.gitignore @@ -3,3 +3,5 @@ build/** .DS_Store utils/multires/output utils/multires/target.jpg +.idea +utils/build/npm-debug.log diff --git a/src/js/libpannellum.js b/src/js/libpannellum.js index 2bdfab1..6b08063 100644 --- a/src/js/libpannellum.js +++ b/src/js/libpannellum.js @@ -66,7 +66,7 @@ function Renderer(container, image, imageType, video) { // While browser specific tests are usually frowned upon, the // fallback viewer only really works with WebKit/Blink and IE 10/11 // (it doesn't work properly in Firefox). - if (!gl && ((this.imageType == 'multires' && this.image.fallbackPath) || + if (!gl && ((this.imageType == 'multires' && this.image.hasOwnProperty('fallbackPath')) || this.imageType == 'cubemap') && ('WebkitAppearance' in document.documentElement.style || navigator.userAgent.match(/Trident.*rv[ :]*11\./) || @@ -203,7 +203,7 @@ function Renderer(container, image, imageType, video) { var glBindType = gl.TEXTURE_2D; // Create viewport for entire canvas - gl.viewport(0, 0, this.canvas.width, this.canvas.height); + gl.viewport(0, 0, this.canvas.width, this.canvas.height); // Create vertex shader var vs = gl.createShader(gl.VERTEX_SHADER); @@ -213,7 +213,7 @@ function Renderer(container, image, imageType, video) { } gl.shaderSource(vs, vertexSrc); gl.compileShader(vs); - + // Create fragment shader var fs = gl.createShader(gl.FRAGMENT_SHADER); var fragmentSrc = fragEquirectangular; @@ -225,41 +225,41 @@ function Renderer(container, image, imageType, video) { } gl.shaderSource(fs, fragmentSrc); gl.compileShader(fs); - + // Link WebGL program program = gl.createProgram(); gl.attachShader(program, vs); gl.attachShader(program, fs); gl.linkProgram(program); - + // Log errors - if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS)) + if (!gl.getShaderParameter(vs, gl.COMPILE_STATUS)) console.log(gl.getShaderInfoLog(vs)); if (!gl.getShaderParameter(fs, gl.COMPILE_STATUS)) console.log(gl.getShaderInfoLog(fs)); if (!gl.getProgramParameter(program, gl.LINK_STATUS)) console.log(gl.getProgramInfoLog(program)); - + // Use WebGL program gl.useProgram(program); - + program.drawInProgress = false; - + // Look up texture coordinates location program.texCoordLocation = gl.getAttribLocation(program, 'a_texCoord'); gl.enableVertexAttribArray(program.texCoordLocation); - + if (this.imageType != 'multires') { // Provide texture coordinates for rectangle program.texCoordBuffer = gl.createBuffer(); gl.bindBuffer(gl.ARRAY_BUFFER, program.texCoordBuffer); gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([-1,1,1,1,1,-1,-1,1,1,-1,-1,-1]), gl.STATIC_DRAW); gl.vertexAttribPointer(program.texCoordLocation, 2, gl.FLOAT, false, 0, 0); - + // Pass aspect ratio program.aspectRatio = gl.getUniformLocation(program, 'u_aspectRatio'); gl.uniform1f(program.aspectRatio, this.canvas.width / this.canvas.height); - + // Locate psi, theta, focal length, horizontal extent, vertical extent, and vertical offset program.psi = gl.getUniformLocation(program, 'u_psi'); program.theta = gl.getUniformLocation(program, 'u_theta'); @@ -267,16 +267,16 @@ function Renderer(container, image, imageType, video) { program.h = gl.getUniformLocation(program, 'u_h'); program.v = gl.getUniformLocation(program, 'u_v'); program.vo = gl.getUniformLocation(program, 'u_vo'); - + // Pass horizontal extent, vertical extent, and vertical offset gl.uniform1f(program.h, haov / (Math.PI * 2.0)); gl.uniform1f(program.v, vaov / Math.PI); gl.uniform1f(program.vo, voffset / Math.PI); - + // Create texture program.texture = gl.createTexture(); gl.bindTexture(glBindType, program.texture); - + // Upload images to texture depending on type if (this.imageType == 'cubemap') { // Load all six sides of the cube map @@ -290,51 +290,51 @@ function Renderer(container, image, imageType, video) { // Upload image to the texture gl.texImage2D(glBindType, 0, gl.RGB, gl.RGB, gl.UNSIGNED_BYTE, this.image); } - + // Set parameters for rendering any size gl.texParameteri(glBindType, gl.TEXTURE_WRAP_S, gl.CLAMP_TO_EDGE); gl.texParameteri(glBindType, gl.TEXTURE_WRAP_T, gl.CLAMP_TO_EDGE); gl.texParameteri(glBindType, gl.TEXTURE_MIN_FILTER, gl.LINEAR); gl.texParameteri(glBindType, gl.TEXTURE_MAG_FILTER, gl.LINEAR); - + } else { // Look up vertex coordinates location program.vertPosLocation = gl.getAttribLocation(program, 'a_vertCoord'); gl.enableVertexAttribArray(program.vertPosLocation); - + // Create buffers program.cubeVertBuf = gl.createBuffer(); program.cubeVertTexCoordBuf = gl.createBuffer(); program.cubeVertIndBuf = gl.createBuffer(); - + // Bind texture coordinate buffer and pass coordinates to WebGL gl.bindBuffer(gl.ARRAY_BUFFER, program.cubeVertTexCoordBuf); gl.bufferData(gl.ARRAY_BUFFER, new Float32Array([0,0,1,0,1,1,0,1]), gl.STATIC_DRAW); - + // Bind square index buffer and pass indicies to WebGL gl.bindBuffer(gl.ELEMENT_ARRAY_BUFFER, program.cubeVertIndBuf); gl.bufferData(gl.ELEMENT_ARRAY_BUFFER, new Uint16Array([0,1,2,0,2,3]), gl.STATIC_DRAW); - + // Find uniforms program.perspUniform = gl.getUniformLocation(program, 'u_perspMatrix'); program.cubeUniform = gl.getUniformLocation(program, 'u_cubeMatrix'); //program.colorUniform = gl.getUniformLocation(program, 'u_color'); - + program.level = -1; - + program.currentNodes = []; program.nodeCache = []; program.nodeCacheTimestamp = 0; } - + // Check if there was an error if (gl.getError() !== 0) { console.log('Error: Something went wrong with WebGL!'); throw {type: 'webgl error'}; } - + callback(); - }; + }; this.destroy = function() { if (this.container !== undefined) { @@ -356,7 +356,7 @@ function Renderer(container, image, imageType, video) { gl.uniform1f(program.aspectRatio, this.canvas.width / this.canvas.height); } } - } + }; this.render = function(pitch, yaw, hfov, returnImage) { var focal, i, s; @@ -661,17 +661,6 @@ function Renderer(container, image, imageType, video) { } } }; - - this.setImage = function(image) { - this.image = image; - this.init(); - }; - - this.setCanvas = function(canvas) { - this.canvas = canvas; - this.init(); - }; - this.createCube = function() { return [-1, 1, -1, 1, 1, -1, 1, -1, -1, -1, -1, -1, // Front face 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, // Back face @@ -828,10 +817,9 @@ function Renderer(container, image, imageType, video) { if ( testY == -4 || testY == 4 ) return false; var testZ = check1[2] + check2[2] + check3[2] + check4[2]; - if ( testZ == 4 ) - return false; + return testZ != 4; - return true; + }; } diff --git a/src/js/pannellum.js b/src/js/pannellum.js index 102c597..6ac1196 100644 --- a/src/js/pannellum.js +++ b/src/js/pannellum.js @@ -245,7 +245,7 @@ function init() { // From http://stackoverflow.com/a/19709846 var absoluteURL = function(url) { - return RegExp('^(?:[a-z]+:)?//', 'i').test(url); + return new RegExp('^(?:[a-z]+:)?//', 'i').test(url); }; // Configure image loading @@ -348,8 +348,7 @@ function init() { numerator = e.loaded; denominator = e.total; } - var msg = numerator + ' / ' + denominator + ' ' + unit; - infoDisplay.load.msg.innerHTML = msg; + infoDisplay.load.msg.innerHTML = numerator + ' / ' + denominator + ' ' + unit; } else { // Display loading spinner infoDisplay.load.lbox.style.display = 'block'; @@ -379,12 +378,12 @@ function parseGPanoXMP(image) { // Extract the requested tag from the XMP data var getTag = function(tag) { - tag = xmpData.substring(xmpData.indexOf(tag + '="') + tag.length + 2); - tag = tag.substring(0, tag.indexOf('"')); - if (tag.length === 0) { + var result = xmpData.substring(xmpData.indexOf(tag + '="') + tag.length + 2); + result = result.substring(0, result.indexOf('"')); + if (result.length === 0) { return null; } - return Number(tag); + return Number(result); }; // Relevant XMP data @@ -471,7 +470,7 @@ function onDocumentMouseDown(event) { var s = Math.sin(config.pitch * Math.PI / 180); var c = Math.cos(config.pitch * Math.PI / 180); var a = focal * c - y * s; - var root = Math.sqrt(x*x + a*a) + var root = Math.sqrt(x*x + a*a); var pitch = Math.atan((y * c + focal * s) / root) * 180 / Math.PI; var yaw = Math.atan2(x / root, a / root) * 180 / Math.PI + config.yaw; console.log('Pitch: ' + pitch + ', Yaw: ' + yaw); @@ -1132,16 +1131,17 @@ function parseURLParameters() { anError('The file ' + a.outerHTML + ' could not be accessed.'); } - var c = JSON.parse(request.responseText); + var responseMap = JSON.parse(request.responseText); // Set JSON file location - c.basePath = configFromURL.config.substring(0,configFromURL.config.lastIndexOf('/')+1); + responseMap.basePath = configFromURL.config.substring(0,configFromURL.config.lastIndexOf('/')+1); // Merge options - for (var k in c) { - if (!configFromURL[k]) { - configFromURL[k] = c[k]; + for (var key in responseMap) { + if (configFromURL.hasOwnProperty(key)) { + continue; } + configFromURL[key] = responseMap[key]; } mergeConfig(firstScene); @@ -1332,7 +1332,7 @@ function processOptions() { } function toggleFullscreen() { - if (loaded && !error) { + if (loaded && ! error) { if (!fullscreenActive) { try { if (container.requestFullscreen) { @@ -1414,7 +1414,7 @@ function loadScene(sceneId, targetPitch, targetYaw) { oldRenderer = renderer; // Set up fade if specified - var fadeImg; + var fadeImg, workingPitch, workingYaw; if (config.sceneFadeDuration) { fadeImg = new Image(); fadeImg.className = 'fade_img'; @@ -1429,12 +1429,12 @@ function loadScene(sceneId, targetPitch, targetYaw) { // Set new pointing if (targetPitch === 'same') { - targetPitch = config.pitch; + workingPitch = config.pitch; } if (targetYaw === 'same') { - targetYaw = config.yaw; + workingYaw = config.yaw; } else if (targetYaw === 'sameAzimuth') { - targetYaw = config.yaw + config.northOffset - tourConfig.scenes[sceneId].northOffset; + workingYaw = config.yaw + config.northOffset - tourConfig.scenes[sceneId].northOffset; } // Destroy hot spots from previous scene @@ -1445,11 +1445,11 @@ function loadScene(sceneId, targetPitch, targetYaw) { // Reload scene processOptions(); - if (targetPitch) { - config.pitch = targetPitch; + if (workingPitch) { + config.pitch = workingPitch; } - if (targetYaw) { - config.yaw = targetYaw; + if (workingYaw) { + config.yaw = workingYaw; } load(); }